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Finding the Fourth Proportional to 556,658.34, 834,872.67 and 272,056.74

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Solution

The fourth proportional to 556,658.34, 834,872.67 and 272,056.74 is: 408,028.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,658.34 : 834,872.67 = 272,056.74 : x
  2. Step 2: Convert to fraction form
    556,658.34/834,872.67 = 272,056.74/x
  3. Step 3: Cross multiply
    556,658.34x = 834,872.67 × 272,056.74
  4. Step 4: Simplify right side
    556,658.34x = 227,132,736,915.30
  5. Step 5: Solve for x
    x = 227,132,736,915.30/556,658.34
  6. Step 6: Final answer
    x = 408,028.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.